The first thing that you have to do when it comes to iphone 3gs is to make sure that you have your own iPhone 3g for the process. For the steps in unlocking your iPhone, you have to see to it that you are able to find the best programs or the files to be used on the process. Their is a need for you to know how to use your iPhone so that you are able to use any SIM card and read on the learn more.

For your iphone, you have to check the firmware by dialing *300112345#* as your emergency dial and you will get through even though you don't have the service. Second is that you have to download the iTunes on your computer. You will using this to unlock your iPhone in order for you to use other network providers. Third is to be able to attach the iphone on your computer with the use of your USB cable.